CVE-2016-1505 Radicale is vulnerable to directory traversal on Windows Filesystem Storage Backend component

Critical 10.0 Published Updated

Remote attackers can read or write arbitrary files on Windows systems via crafted paths in the Radicale filesystem storage backend.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2016-1505?

CVE-2016-1505 is a critical path traversal vulnerability in n/a, published on 3 Feb 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The filesystem storage backend in Radicale before 1.1 on Windows allows remote attackers to read or write to arbitrary files via a crafted path, as demonstrated by /c:/file/ignore.

Weakness: CWE-21

Which versions are affected by CVE-2016-1505?

3 open source packages ship an affected version, including radicale and Radicale. It affects 1 product.

PackageAffectedFixed in
radicale PyPIAll versions1.1
radicale PyPIAll versions1.1
Radicale PyPIAll versions1.1

Products include Radicale Radicale.

How do I fix CVE-2016-1505?

Upgrade radicale to 1.1 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2016-1505 being exploited?

There is no known exploitation of CVE-2016-1505 in the wild and no public exploit code.

Sources

Also known as GHSA-84cw-mxhv-qvv4, PYSEC-2026-512.

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